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481 Commits

Author SHA1 Message Date
tomoaki
606e236d6d fix(phase-285): restore weak_basic_llvm + complete LLVM detection/quick SSOT 2025-12-26 16:32:37 +09:00
tomoaki
3bf0dee2b0 feat(mir): Phase 285 P2.1 - KeepAlive instruction for weak ref semantics 
Add KeepAlive instruction to fix hidden root problem where x = null
doesn't properly drop the strong reference.

Key changes:
- Add KeepAlive { values, drop_after } instruction to MIR
- Emit KeepAlive[drop=true] in build_assignment() before variable overwrite
- Emit KeepAlive[drop=false] in pop_lexical_scope() at scope end
- VM handler: when drop_after=true, remove ALL ValueIds pointing to
  the same Arc (handles SSA Copy chains)

Test results:
- weak_upgrade_fail: exit 1 ✅ (weak_to_strong returns null after x=null)
- weak_basic: exit 2 ✅ (weak_to_strong succeeds while x alive)
- quick smoke: 154/154 PASS ✅

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-26 13:08:32 +09:00
tomoaki
58ceb3de2f feat(smoke): Phase 285 P2 - weak conformance smokes (success pattern) 
Phase 285 P2: weak の意味論（weak <expr> + weak_to_strong() 成功/失敗）を integration smoke で固定

実装内容:
- Fixture A（成功パターン）: exit 0 → exit 2 に変更（fail=1, success=2 で明確化）
- Fixture B（失敗パターン）: 明示 drop (x = null) 方式で作成
- VM smoke success: PASS
- LLVM smoke success: SKIP（backend unavailable）
- VM/LLVM smoke fail: SKIP（hidden root 問題で理由付き）

既知の問題:
- x = null で明示 drop しても weak_to_strong が成功（hidden root が strong ref を保持）
- Phase 285 P2.1 (investigation) で root 保持箇所を棚卸し予定

スコープ:
- Block scope drop conformance は別タスク（未整合の可能性あり）
- P2 では明示 drop 方式で weak の最小意味論（non-owning）のみを検証

検証:
- quick smoke 154/154 PASS 維持
- integration smoke 4本（success 2本 PASS/SKIP、fail 2本 SKIP）

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-26 11:33:12 +09:00
tomoaki
03f9bbe1aa feat(smoke): Phase 284 P2 - return-in-loop VM/LLVM parity smoke 
- VM smoke: phase284_p2_return_in_loop_vm.sh (PASS)
- LLVM smoke: phase284_p2_return_in_loop_llvm.sh (SKIP if no LLVM feature)
- Reuse existing fixture: phase286_pattern5_return_min.hako (exit 7)
- P2-INSTRUCTIONS.md: 手順書作成
- quick smoke 154/154 PASS

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-26 10:45:54 +09:00
tomoaki
22945c190c feat(joinir): Phase 286 P3.2 - Pattern5 Plan line (loop(true) + early exit) 
- Pattern5InfiniteEarlyExitPlan (Return/Break variants)
- extract_pattern5_plan() for loop(true) literal only
- normalize_pattern5_return(): 5 blocks CFG (header→body→found/step)
- normalize_pattern5_break(): 6 blocks CFG with carrier PHI
- NormalizationPlanBox exclusion for Pattern5-style loops
- Fixtures: phase286_pattern5_{return,break}_min.hako
- quick smoke 154/154 PASS

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-26 09:56:34 +09:00
tomoaki
b235a5b6db feat(joinir): Phase 286 P3.1 - Pattern2 Plan line 完走（after_bb PHI） 
Pattern2（Loop with Break）を Plan/Frag SSOT へ移行。

主な変更:
- Pattern2BreakPlan 追加（DomainPlan variant）
- extract_pattern2_plan() 実装（PoC サブセット厳守）
- normalize_pattern2_break() 実装（6-block CFG, 3 PHI）
- after_bb PHI が本質: carrier_out = PHI(header: carrier_current, break_then: carrier_break)
- router に Pattern2 追加（Pattern1 より前、より具体的）

テスト:
- Fixture B (break without update): PASS (出力 11)
- quick smoke: 154/154 PASS

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-26 05:56:30 +09:00
tomoaki
65304ec0c4 docs(joinir): Phase 286 Pattern2調査・設計相談パケット追加 
- phase286_pattern2_frag_poc.hako: Pattern2 PoC fixture
- phase286_pattern2_frag_poc.sh: integration smoke
- phase-286-plan-normalization-consult.md: Plan正規化の設計相談
- 10-Now.md, 30-Backlog.md: 進捗更新
- pattern2-deferred.md: 更新

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-26 04:58:38 +09:00
tomoaki
064cae169e feat(joinir): Phase 286 P2.4 - Pattern8 BoolPredicateScan Plan化 PoC 
## 概要
Pattern8 (BoolPredicateScan) を Plan extraction routing に追加。
static box 除外（Phase 269 決定）を尊重し、非 static box fixture で PoC。

## 実装内容
- Pattern8BoolPredicateScanPlan struct + DomainPlan variant
- extract_pattern8_plan(): 条件・predicate check・increment 抽出
- normalize_pattern8_bool_predicate_scan(): PoC stub（CoreExitPlan::Return 未統合）
- PLAN_EXTRACTORS テーブルに Pattern8 追加（3rd priority）
- エラーフォールバック: Plan normalization 失敗時 → legacy Pattern8 へ

## 動作フロー
Plan extraction MATCHED → normalization failed (PoC stub) → legacy Pattern8 MATCHED

## 検証結果
- Integration: phase286_pattern8_plan_poc_vm PASS (exit 7)
- Regression: quick 154 PASS, 0 FAILED

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-26 03:01:11 +09:00
tomoaki
1d24e9a106 feat(joinir): Phase 286 P2.3 + Phase 287 - Pattern9 Plan化 + Router table-driven 
## Phase 286 P2.3: Pattern9 AccumConstLoop Plan化 PoC

- DomainPlan::Pattern9AccumConstLoop 追加
- PlanNormalizer::normalize_pattern9_accum_const_loop() 実装
  - PHI 2本（loop_var, acc_var）
  - const/var 両方 OK（sum = sum + 1 または sum = sum + i）
- Pattern9 は Pattern1 より優先（より具体的なパターン）
- Integration test: phase286_pattern9_frag_poc PASS (return: 3)
- Regression: quick 154 PASS

## Phase 287: Router table-driven Plan extraction

- PLAN_EXTRACTORS static table で Pattern6/7/4/9/1 を統一管理
- PlanExtractorEntry/PlanExtractorVariant 構造体追加
- try_plan_extractors() で ~100行 → 3行に集約
- メンテナンス性向上（新 Pattern 追加はテーブル1行追加のみ）

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-26 02:38:09 +09:00
tomoaki
a824346e30 feat(joinir): Phase 286 P2/P2.1/P2.2 - JoinIR Line Absorption (Pattern1/4 Plan化 PoC + hygiene) 
Phase 286 P2: Pattern4 (Loop with Continue) を Plan/Frag SSOT に移行
- DomainPlan::Pattern4Continue 追加
- PlanNormalizer::normalize_pattern4_continue() 実装（phi_bindings による PHI dst 優先参照）
- Router integration（Plan line routing → legacy fallback）
- Integration test PASS (output: 6), quick smoke 154/154 PASS

Phase 286 P2.1: Pattern1 (SimpleWhile) を Plan/Frag SSOT に移行
- DomainPlan::Pattern1SimpleWhile 追加
- PlanNormalizer::normalize_pattern1_simple_while() 実装（4ブロック、1 PHI、phi_bindings 流用）
- Router integration（Plan line routing → legacy fallback）
- Integration test PASS (return: 3), quick smoke 154/154 PASS

Phase 286 P2.2: hygiene（extractor重複排除 + router小整理）
- extractor helper化: extract_loop_increment_plan を common_helpers.rs に統一
  - Pattern1/Pattern4 が呼ぶだけに変更（重複排除 ~25行）
- router helper化: lower_via_plan() を追加し Pattern6/7/4/1 で共用
  - 3行パターン（normalize→verify→lower）を1関数に集約（ボイラープレート削減 ~40行）

成果物:
- DomainPlan 2パターン新規追加（Pattern1SimpleWhile, Pattern4Continue）
- Normalizer 2つの normalize 関数追加
- Router に Plan line ブロック追加 + lower_via_plan() helper
- Extractor に extract_pattern1_plan() 追加
- Integration fixtures 2個 + smoke tests 2個

検証:
- quick smoke: 154/154 PASS
- integration: phase286_pattern1_frag_poc PASS, phase286_pattern4_frag_poc PASS
- Plan line routing: route=plan strategy=extract で Pattern1/4 検出確認

🤖 Generated with Claude Code

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-26 02:03:22 +09:00
tomoaki
9dffe7ca99 refactor(smoke): Move feature gap tests to integration (Phase 287 P4) 
Moved 7 tests requiring unimplemented features or bug fixes:

Parser/Feature gaps:
- forward_refs_2pass: Requires 2-pass parser for forward references
- parser_min_methods_ok: Parser functionality gap

Map functionality gaps:
- map_values_sum_vm: Map.values() iteration bug
- map_len_set_get_vm: Map operations bug

String functionality gap:
- index_substring_vm: StringBox substring/index bug

Array functionality gap:
- array_oob_get_tag_vm: Array out-of-bounds handling

CLI functionality gap:
- argv_multiline_roundtrip: Argv multiline processing bug

Quick profile focuses on core VM/LLVM functionality that is stable.
These tests will be fixed in dedicated feature/bugfix phases.

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 12:25:31 +09:00
tomoaki
69727be8fe refactor(smoke): Move PHI-heavy tests to integration (Phase 287 P4) 
Moved 4 complex control flow tests from quick to integration:
- multi_branch_phi
- vm_loop_phi_multi_carriers
- vm_loop_phi_multi_continue
- vm_nested_mixed_break_continue

These require PHI system fixes in a separate phase.
Quick profile focuses on core VM/LLVM functionality.

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 12:23:48 +09:00
tomoaki
bb3cae054f refactor(smoke): Wrap -c inline scripts in main() (Phase 287 P4 Box 2) 
File mode SSOT requires all code in declarations (static box/function).
Top-level execution statements will be prohibited in future.

Changed all run_nyash_vm -c scripts to:
- static box Main { main() { ... return 0 } }

Affected tests:
- string_concat.sh (3 test functions)
  - test_variable_concat: wrapped in main()
  - test_number_string_concat: wrapped + explicit .toString()
- multi_branch_phi.sh: wrapped in main()
- vm_loop_phi_multi_carriers.sh: wrapped in main()
- vm_loop_phi_multi_continue.sh: wrapped in main()
- vm_nested_mixed_break_continue.sh: wrapped in main()

This fixes top-level parse errors while maintaining test coverage.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 12:23:30 +09:00
tomoaki
a706893bfe refactor(smoke): Box 4 - Mark environment-dependent tests with [SKIP:env] (Phase 287 P4) 
Added [SKIP:env] markers to 3 environment-dependent tests:
1. filebox_basic - Requires file system access
2. async_await - Requires Future runtime plugin
3. gc_mode_off - Requires GC mode runtime control

These tests are disabled by default in quick profile to focus on
core VM/LLVM functionality. Enable with:
- SMOKES_ENABLE_FILEBOX=1
- SMOKES_ENABLE_ASYNC=1
- SMOKES_ENABLE_GC_MODE=1

Box 4 Goal: Separate environment-dependent tests from core functionality.

Next: Run quick profile to check progress toward fail=0

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 12:10:44 +09:00
tomoaki
ad9336de96 refactor(smoke): Box 3 - Move JoinIR freeze tests to integration profile (Phase 287 P4) 
Moved 2 JoinIR freeze error tests from quick to integration:
- method_resolution_is_eof_vm.sh
- json_missing_vm.sh

Reason: [joinir/freeze] errors are not core functionality blockers,
better suited for integration testing.

Box 3 Goal: Keep quick profile focused on core VM/LLVM functionality.

Next: Box 4 (environment dependency marking)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 12:06:03 +09:00
tomoaki
c117a04035 fix(rewrite): toString normalization to BoxCall(slot #0) - Phase 287 P4 
Root cause: toString/stringify/str were being rewritten to Global/Method calls
with class inference, causing Main.toString/0 to be called for primitives.

Fix (Box-First + Legacy Deletion):
1. ✅ MIR Builder - toString normalization (special.rs)
   - ALWAYS emit BoxCall with method_id=0 for toString/stringify/str
   - Do NOT rewrite to Global(Class.str/0) or Method calls
   - DELETED 70+ lines of complex class inference logic
   - Primitive guard with method name filter (known.rs)

2. ✅ JSON Serializer - method_id output (mir_json_emit.rs)
   - Include method_id field in BoxCall JSON for LLVM

3. ✅ LLVM Backend - universal slot #0 support
   - Extract method_id from JSON (instruction_lower.py)
   - Box primitives via nyash.box.from_i64 (boxcall.py)
   - Invoke toString via plugin system with method_id=0
   - ⚠️ TODO: Add nyash.integer.tostring_h to kernel

Test Results:
✅ VM: local x = 1; print(x.toString()) → "1" (PASS)
✅ VM: array_length test (boxed Integer) → PASS
⚠️ LLVM: Compiles successfully, needs kernel function

SSOT: slot_registry - toString is ALWAYS universal slot #0

Legacy Deleted:
- special.rs: Complex class inference rewrite (~70 lines)
- special.rs: Unique suffix fallback for toString
- special.rs: Main box special handling

Files changed:
- src/mir/builder/rewrite/special.rs (try_early_str_like_to_dst)
- src/mir/builder/rewrite/known.rs (primitive guards x4)
- src/runner/mir_json_emit.rs (method_id serialization x2)
- src/llvm_py/builders/instruction_lower.py (method_id extraction)
- src/llvm_py/instructions/boxcall.py (slot #0 handler)
- docs/reference/language/quick-reference.md (toString SSOT)

🎊 Generated with Claude Code
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 11:38:05 +09:00
tomoaki
29c6a18805 smokes(v2): move budget tests to integration (Phase 287 P3-3) 
- vm_budget_exceeded_vm.sh
- core_budget_exceeded_gatec_vm.sh

Reason: Budget/Gate tests are integration-level, not minimal gate.
 2025-12-25 09:33:12 +09:00
tomoaki
86f9e44ddc smokes(v2): Add SKIP for spec-pending and env-dependent tests (Phase 287 P3-2) 
Added [SKIP:spec] for top-level local declarations (REPL/file mode spec pending):
- variable_assign.sh
- index_operator_vm.sh

Added [SKIP:llvm] for LLVM backend tests (environment dependent):
- phase285_leak_report_llvm.sh

Reason: Top-level local spec awaits Phase 288 decision, LLVM depends on build config.
Goal: Reduce quick profile failures toward fail=0.
 2025-12-25 09:09:19 +09:00
tomoaki
55ed6fa834 smokes(v2): Move heavy/integration tests out of quick profile (Phase 287 P3-1) 
Moved 86 test files from quick to integration profile:
- Phase tests (phase2034/2035/2036/2037/2038/2039/2041/2042/2043/2044/215/2230/2231)
- Stage-B tests (stageb/*) - 17 files
- Selfhost tests (selfhost_*) - 12 files
- Core Direct tests (core_direct_*) - 6 files

Reason: These are integration/heavy tests outside quick's minimal gate responsibility.
Goal: Reduce quick profile failures toward fail=0.
 2025-12-25 09:07:11 +09:00
tomoaki
1f3ef2ac61 smokes(v2): Reach 45s target (Phase 287 P2) 
Phase 287 P2 completed: 45-second target achieved

Changes:
- Moved 34 heavy tests (>0.4s) from quick to integration
- Disabled FAST_FAIL in quick profile for accurate measurement
- Reduced execution time: 63.0s → 45.85s (27% reduction)
- Reduced test count: 447 → 413 tests (8% reduction)

Key improvements:
- Fixed FAST_FAIL=1 issue preventing full test execution
- Selective individual test movement vs directory-level in P1
- Maintained relative path structure for --filter compatibility

Performance metrics:
- P1 (FAST_FAIL=0): 63.0s / 447 tests / 111 failures
- P2 (optimized): 45.85s / 413 tests / 90 failures
- Target achieved: ✅ 45s (within tolerance)

Moved test categories:
- mirbuilder_loop_* (0.46-0.49s)
- mirbuilder_provider_* (0.36-0.68s)
- hako_primary_no_fallback_* (0.46-0.47s)
- parser_embedded_json_canary (0.49s)
- emit_mir_canary (0.47s)

Documentation updates:
- tools/smokes/v2/README.md: Updated quick target to ~400 tests
- docs/development/current/main/phases/phase-287/README.md: P2 results
- tools/smokes/v2/configs/auto_detect.conf: FAST_FAIL=0 for accurate timing

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 07:58:51 +09:00
tomoaki
4cc324c06e smokes(v2): Slim quick profile (Phase 287 P1) 
Phase 287 P1 completed: Quick profile optimization

Changes:
- Moved 204 heavy tests from quick to integration profile
- Reduced execution time: 449.1s → 55.0s (88% reduction)
- Reduced test count: 651 → 447 tests (31% reduction)
- Maintained relative path structure for --filter compatibility

Moved test directories (14 total):
- phase2100, phase2211, phase2120, phase2220, phase251
- phase2160, phase2047-2051 (7 dirs), analyze

Profile responsibilities:
- quick: Fast feedback (55s, 447 tests)
- integration: Comprehensive validation (selfhost, S3, LLVM)

Documentation updates:
- tools/smokes/v2/README.md: Profile definitions
- docs/development/current/main/phases/phase-287/README.md: P1 results

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 07:48:18 +09:00
tomoaki
106bae4e93 docs(smoke): Phase 285LLVM-0.4 - ドキュメント整合・断言の是正 
LLVM harness の制限を SSOT と矛盾しない表現に修正:

**修正内容**:
1. smoke test コメント修正（phase285_leak_report_llvm.sh）
   - 誤: "print() doesn't work in LLVM harness mode"
   - 正: "This smoke test verifies leak reporting only, not stdout output"
   - 理由: normative 過ぎる断言を scope-based に変更

2. lifecycle.md 確認
   - 変更不要（既に正しい記述）
   - "Parent process roots only" は環境制約として適切

3. phase-285/README.md 更新
   - Phase 285LLVM-0.3 の記録追加
   - stdout 検証削除の理由を明記

**結果**:
- ✅ 全 lifecycle テスト PASS（6/6）
- ✅ SSOT との矛盾解消
- ✅ コード変更なし（コメントとドキュメントのみ）

**原則**:
- Non-normative language: "機能しない" → "検証対象外"
- Environmental constraints: 設定依存を明示
- SSOT alignment: docs/reference/language/lifecycle.md と整合

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 06:44:52 +09:00
tomoaki
ea344421ba fix(smoke): Phase 285LLVM-0.3 - phase285_leak_report_llvm を PASS に戻す 
LLVM harness mode の制限に対応した smoke test 調整:

**修正内容**:
- NYASH_DISABLE_PLUGINS=1 削除（3箇所）
  → plugins 有効化で ConsoleBox 等にアクセス可能に
- "ok: cycle-created" チェック調整
  - Test 1: "LLVM execution completed" チェックに変更
  - Test 2: チェック削除（leak output 検証で十分）
- コメント追加: LLVM harness mode での stdout 制限を明記

**結果**:
- ✅ phase285_leak_report_llvm: All tests passed
- ✅ 全体スモーク: 45/46 PASS（退行なし）

**技術的洞察**:
- LLVM harness mode は compiled executable を subprocess として実行
- leak_tracker は正常動作（親プロセス側 roots: 287 を報告）
- User 指示: "smoke側を調整（最小・意味論不変）" に従う

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 06:36:44 +09:00
tomoaki
f740e6542f feat(phase285): Complete weak reference implementation (VM + LLVM harness) 
Phase 285LLVM-1.1 to 1.4 + weak reference infrastructure:

**LLVM Harness** (Phase 285LLVM-1.x):
- 285LLVM-1.1: User Box registration & debug output
- 285LLVM-1.2: WeakRef basic operations (identity deferred)
- 285LLVM-1.3: InstanceBox field access (getField/setField)
- 285LLVM-1.4: print Handle resolution (type tag propagation)

**VM Runtime** (nyash_kernel):
- FFI functions: nyrt_weak_new, nyrt_weak_to_strong, nyrt_weak_drop
  (crates/nyash_kernel/src/lib.rs: +209 lines)
- WeakRef plugin invoke support
  (crates/nyash_kernel/src/plugin/invoke.rs: +250 lines)
- weak_handles.rs: WeakRef handle registry (NEW)

**LLVM Python Backend**:
- WeakRef instruction lowering (weak.py: NEW)
- Entry point integration (entry.py: +93 lines)
- Instruction lowering (instruction_lower.py: +13 lines)
- LLVM harness runner script (tools/run_llvm_harness.sh: NEW)

**MIR & Runtime**:
- WeakRef emission & validation
- MIR JSON export for weak instructions
- Environment variable support (NYASH_WEAK_*, HAKO_WEAK_*)

**Documentation**:
- CLAUDE.md: Phase 285 completion notes
- LANGUAGE_REFERENCE_2025.md: Weak reference syntax
- 10-Now.md & 30-Backlog.md: Phase 285 status updates

Total: +864 lines, 24 files changed

SSOT: docs/reference/language/lifecycle.md
Related: Phase 285W-Syntax-0, Phase 285W-Syntax-0.1
 2025-12-25 00:11:34 +09:00
tomoaki
cc05c37ae3 feat(phase285w): Phase 285W-Syntax-0.1 - Reject weak(...) syntax (Parser-level Fail-Fast) 
- Parser guard: Reject weak(...) with LPAREN check in parse_unary()
  - Error: "Use 'weak expr', not 'weak(expr)'" (helpful message)
  - Location: src/parser/expressions.rs:248-256
- MIR builder guard: Defense-in-depth for any bypassed cases
  - Location: src/mir/builder/calls/build.rs:37-46
- Rejection test: apps/tests/phase285w_weak_call_rejected.hako
- Smoke test: phase285w_weak_call_rejected_vm.sh (PASS ✅)
- Documentation:
  - EBNF.md: Add ~ (BitNot) to unary operators
  - lifecycle.md: Document weak(expr) as invalid syntax
  - phase-285/README.md: Add Phase 285W-Syntax-0.1 entry

Test results: 5/6 phase285 tests PASS (1 unrelated failure)
SSOT: docs/reference/language/lifecycle.md

Closes: Phase 285W-Syntax-0.1
 2025-12-25 00:04:55 +09:00
tomoaki
9227673ef7 feat(phase285w): Implement weak x unary operator syntax 
Phase 285W-Syntax-0: Migrate weak reference syntax from function call
to unary operator for consistency and clarity.

**Changes**:
- Parser: Add UnaryOperator::Weak variant and parse_unary() handling
- MIR: Lower UnaryOp::Weak to emit_weak_new() (reuses existing path)
- AST: Add Weak to UnaryOperator enum + Display/JSON support
- Tests: Migrate 8 files from `weak(x)` to `weak x` syntax
  - 7 .hako test files updated
  - 1 smoke test shell script updated
- Cleanup: Remove obsolete weak(x) parser/MIR special cases
- Docs: Update Phase 285 README

**Syntax Change**:
- Old: `local w = weak(x)`  (function call)
- New: `local w = weak x`   (unary operator)

**Validation**: All migrated phase285* smoke tests pass (4/4 relevant)

**SSOT**: docs/reference/language/lifecycle.md

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-24 17:21:21 +09:00
tomoaki
af99ccab91 feat(llvm): Phase 285LLVM-0 - LLVM Conformance One-Pass 
Step 0: SSOT/Reality Alignment
- Update Feature Matrix (lifecycle.md):
  - WeakRef: "285A1" → "285LLVM-1"
  - Leak Report: "partial" → "Parent process roots only (285LLVM-0)"
  - Add detailed LLVM limitation explanation
- Update SKIP reason (phase285_weak_basic_llvm.sh): "285A1" → "285LLVM-1"

Step 1: LLVM Leak Report Implementation
- Add emit_leak_report() calls to llvm.rs (success + error paths)
- Create phase285_leak_report_llvm.sh smoke test (3 test cases PASS)
- Add NYASH_LEAK_LOG documentation to environment-variables.md
- Manual test: All 3 cases PASS (no-log, LEVEL=1, LEVEL=2)
- Smoke test: 3/3 PASS

Step 2: WeakRef Design Preparation
- Create phase-285llvm-1-design.md
  - Runtime representation candidate (Option B with caveat)
  - FFI signatures definition
  - Implementation checklist
  - Test strategy
  - NO CODE IMPLEMENTATION (design-only phase)

Implementation:
- Minimal 10-20 line code change (as planned)
- Reuses existing leak_tracker.rs infrastructure
- LLVM limitation transparently documented
- Exit codes unchanged (0/1 preserved)
- Fixture SSOT: apps/tests/*.hako shared between VM/LLVM

Test Results:
- ✅ Manual test: 3/3 cases PASS
- ✅ Smoke test: 3/3 cases PASS
- ✅ No regressions

Files Changed:
- src/runner/modes/llvm.rs (2 emit_leak_report() calls)
- docs/reference/language/lifecycle.md (Feature Matrix + LLVM limitation)
- docs/reference/environment-variables.md (NYASH_LEAK_LOG entry)
- tools/smokes/v2/profiles/quick/lifecycle/phase285_weak_basic_llvm.sh (SKIP reason)

Files Added:
- tools/smokes/v2/profiles/quick/lifecycle/phase285_leak_report_llvm.sh
- docs/development/current/main/phases/phase-285/phase-285llvm-1-design.md

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-24 09:58:00 +09:00
tomoaki
f9c21ea601 test(env): Phase 286A - Deprecated env warning regression test 
Goal: Prevent regression where deprecated env vars warn even when unset

Changes:
- tools/smokes/v2/profiles/quick/env/phase286_deprecated_env_warnings.sh
  * Test Case 1: Unset env → No warnings (防止: 未設定で警告)
  * Test Case 2: NYASH_MACRO_TOPLEVEL_ALLOW=1 → Warning expected
  * Test Case 3: NYASH_MACRO_BOX_CHILD_RUNNER=1 → Warning expected
  * Uses env -u to truly unset variables (empty string counts as "set")

- docs/reference/environment-variables.md
  * Added "Deprecated 警告動作 (Phase 286A)" section
  * Clarified: warnings only appear when env var is explicitly set
  * Warning format: [macro][compat] <変数名> is deprecated; <推奨アクション>

Test Results:
✅ All 3 test cases pass
✅ Quick smoke: 45/46 tests pass (1 known failure unrelated)

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-24 09:14:33 +09:00
tomoaki
ab76e39036 feat(parser): Phase 285A1.4 & A1.5 - Weak field sugar + Parser hang fix 
A1.4: Add sugar syntax `public weak parent` ≡ `public { weak parent }`
A1.5: Fix parser hang on unsupported `param: Type` syntax

Key changes:
- A1.4: Extend visibility parser to handle weak modifier (fields.rs)
- A1.5: Shared helper `parse_param_name_list()` with progress-zero detection
- A1.5: Fix 6 vulnerable parameter parsing loops (methods, constructors, functions)
- Tests: Sugar syntax (OK/NG), parser hang (timeout-based)
- Docs: lifecycle.md, EBNF.md, phase-285a1-boxification.md

Additional changes:
- weak() builtin implementation (handlers/weak.rs)
- Leak tracking improvements (leak_tracker.rs)
- Documentation updates (lifecycle, types, memory-finalization, etc.)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-24 07:44:50 +09:00
tomoaki
cc8b27a1aa feat(weak): Phase 285A1 - Weak Field Contract (Strict Type Enforcement) 
Remove automatic WeakNew conversion and enforce strict compile-time type
checking for weak field assignments. Only 3 assignment types allowed:
1. Result of weak(x) call (WeakRef type)
2. Existing WeakRef variable (e.g., me.parent = other.parent)
3. Void/null (clear operation)

**Implementation**:
- Added MirType::WeakRef to type system (src/mir/types.rs)
- Track WeakRef type in emit_weak_new() even in pure mode
- Weak field reads return WeakRef without auto-upgrade
- Removed automatic WeakNew conversion from field writes
- Implemented check_weak_field_assignment() with actionable errors
- Fixed null literal type tracking (Phase 285A1.1: Unknown → Void)

**Testing**:
- 5 test fixtures (3 OK, 2 NG cases) - all passing
- Smoke test: phase285_weak_field_vm.sh
- Error messages guide users to use weak() or null

**Documentation**:
- Updated lifecycle.md SSOT with weak field contract

🤖 Generated with Claude Code

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-24 03:17:30 +09:00
tomoaki
661bbe1ab7 feat(phase284): P1 Complete - Return in Loop with Block Remap Fix 
## Summary

Completed Phase 284 P1: Enable return statements in Pattern4/5 loops via
JoinInst::Ret infrastructure (100% pre-existing, no new infrastructure needed).

**Critical Bug Fix**: Block ID remap priority
- Fixed: local_block_map must take precedence over skipped_entry_redirects
- Root cause: Function-local block IDs can collide with global remap entries
  (example: loop_step:bb4 vs k_exit:bb4 after merge allocation)
- Impact: Conditional Jump else branches were incorrectly redirected to exit
- Solution: Check local_block_map FIRST, then skipped_entry_redirects

## Implementation

### New Files
- `src/mir/join_ir/lowering/return_collector.rs` - Return detection SSOT (top-level only, P1 scope)
- `apps/tests/phase284_p1_return_in_loop_min.hako` - Test fixture (exit code 7)
- Smoke test scripts (VM/LLVM)

### Modified Files
- `loop_with_continue_minimal.rs`: Return condition check + Jump generation
- `pattern4_with_continue.rs`: K_RETURN registration in continuation_funcs
- `canonical_names.rs`: K_RETURN constant
- `instruction_rewriter.rs`: Fixed Branch remap priority (P1 fix)
- `terminator.rs`: Fixed Jump/Branch remap priority (P1 fix)
- `conversion_pipeline.rs`: Return normalization support

## Testing

✅ VM: exit=7 PASS
✅ LLVM: exit=7 PASS
✅ Baseline: 46 PASS, 1 FAIL (pre-existing emit issue)
✅ Zero regression

## Design Notes

- JoinInst::Ret infrastructure was 100% complete before P1
- Bridge automatically converts JoinInst::Ret → MIR Return terminator
- Pattern4/5 now properly merge k_return as non-skippable continuation
- Correct semantics: true condition → return, false → continue loop

## Next Phase (P2+)

- Refactor: Block remap SSOT (block_remapper.rs)
- Refactor: Return jump emitter extraction
- Scope: Nested if/loop returns, multiple returns
- Design: Standardize early exit pattern (return/break/continue as Jump with cond)

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-23 14:21:27 +09:00
tomoaki
bf6f4faa1f test(smoke): Phase 283 P0 - Add VM/LLVM smoke tests + doc update 
- VM smoke: phase283_p0_loop_if_phi_vm.sh (checks sum=9 output)
- LLVM smoke: phase283_p0_loop_if_phi_llvm.sh (checks Result: 0, exit=0)
- Documentation: Update phase-283 README with LLVM harness notes
  - LLVM harness suppresses program stdout
  - VM shows stdout, LLVM checks exit code only

Both tests verified: ✅ PASS

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-23 08:34:19 +09:00
tomoaki
960241795d feat(mir/llvm): Phase 273 P0-P1 DomainPlan→CorePlan + LLVM arg fix 
Phase 273 P0-P1: Two-layer plan architecture
- DomainPlan: Pattern-specific knowledge (ScanWithInit)
- CorePlan: Fixed vocabulary (Seq, Loop, If, Effect, Exit)
- ValueId references only (String expressions forbidden)
- Pipeline: Extractor→Normalizer→Verifier→Lowerer

New plan/ module:
- mod.rs: Type definitions, SSOT spec
- normalizer.rs: DomainPlan→CorePlan + ID allocation
- verifier.rs: V1-V6 invariant checks (fail-fast)
- lowerer.rs: CorePlan→MIR (pattern-agnostic)

LLVM fix (ChatGPT):
- function_lower.py: Fix argument reference bug
- Phase 258 index_of_string now PASS on LLVM backend

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-22 22:42:56 +09:00
tomoaki
264940ef51 feat(llvm/phi): Phase 278 P0 - remove deprecated PHI debug env vars 
## Changes
- debug_helper.py: Remove backward compatibility (warning → error + exit 1)
- environment-variables.md: Migrate deprecated section with migration guide
- phase278_p0_deprecated_env_fail.sh: Add smoke test for deprecated var detection

## Removed Variables (5)
- NYASH_LLVM_PHI_DEBUG
- NYASH_PHI_TYPE_DEBUG
- NYASH_PHI_ORDERING_DEBUG
- NYASH_LLVM_TRACE_PHI
- NYASH_LLVM_VMAP_TRACE

## SSOT Variables (3) - Unchanged
- NYASH_LLVM_DEBUG_PHI=1
- NYASH_LLVM_DEBUG_PHI_TRACE=1
- NYASH_LLVM_PHI_STRICT=1

## Benefits
- ✅ Deprecated vars cause fail-fast error (not silent)
- ✅ Error messages include replacement hints
- ✅ Documentation reflects removal (migration guide included)
- ✅ Smoke test verifies deprecated var rejection
- ✅ No regressions in existing tests

## Testing
✅ Test 1: Deprecated NYASH_LLVM_PHI_DEBUG rejected
✅ Test 2: Deprecated NYASH_LLVM_TRACE_PHI rejected
✅ Test 3: SSOT vars work normally
✅ Regression tests: strict=OFF, strict=ON, debug mode - all pass

🤖 Generated with Claude Code

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-22 15:08:50 +09:00
tomoaki
757193891f feat(llvm/phi): Phase 277 P1 - fail-fast validation for PHI strict mode 
## Summary
Implemented fail-fast validation for PHI ordering and value resolution in strict mode.

## Changes

### P1-1: Strict mode for "PHI after terminator"
- File: `src/llvm_py/phi_wiring/wiring.py::ensure_phi`
- Behavior: `NYASH_LLVM_PHI_STRICT=1` → RuntimeError if PHI created after terminator
- Default: Warning only (no regression)

### P1-2: Strict mode for "fallback 0"
- File: `src/llvm_py/phi_wiring/wiring.py::wire_incomings`
- Behavior: Strict mode forbids silent fallback to 0 (2 locations)
  - Location 1: Unresolvable incoming value
  - Location 2: Type coercion failure
- Error messages point to next debug file: `llvm_builder.py::_value_at_end_i64`

### P1-3: Connect verify_phi_ordering() to execution path
- File: `src/llvm_py/builders/function_lower.py`
- Behavior: Verify PHI ordering after all instructions emitted
- Debug mode: Shows "✅ All N blocks have correct PHI ordering"
- Strict mode: Raises RuntimeError with block list if violations found

## Testing
✅ Test 1: strict=OFF - passes without errors
✅ Test 2: strict=ON - passes without errors (no violations in test fixtures)
✅ Test 3: debug mode - verify_phi_ordering() connected and running

## Scope
- LLVM harness (Python) changes only
- No new environment variables (uses existing 3 from Phase 277 P2)
- No JoinIR/Rust changes (root fix is Phase 279)
- Default behavior unchanged (strict mode opt-in)

## Next Steps
- Phase 278: Remove deprecated env var support
- Phase 279: Root fix - unify "2本のコンパイラ" pipelines

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-22 14:48:37 +09:00
tomoaki
4ef2261e97 fix(joinir): Phase 269 P1.2 - static call normalization for this.method() 
Problem:
- `this.method()` calls in static box loops were using string constant "StringUtils" as receiver
- This violated Box Theory (static box this should not be runtime object)
- Pattern8 was trying to pass receiver to JoinIR, causing SSA/PHI issues

Solution (3-part fix):
1. **MeResolverBox Fail-Fast** (stmts.rs): Remove string fallback, error message cleanup
2. **ReceiverNormalizeBox** (calls/build.rs): Normalize `this/me.method()` → static call at compile-time
3. **Pattern8 Skip Static Box** (pattern8_scan_bool_predicate.rs): Reject Pattern8 for static box contexts

Key changes:
- **stmts.rs**: Update error message - remove MeBindingInitializerBox mentions
- **calls/build.rs**: Add This/Me receiver check, normalize to static call if current_static_box exists
- **calls/lowering.rs**: Remove NewBox-based "me" initialization (2 locations - fixes Stage1Cli regression)
- **pattern8_scan_bool_predicate.rs**: Skip Pattern8 for static boxes (use Pattern1 fallback instead)

Result:
- ✅ phase269_p1_2_this_method_in_loop_vm.sh PASS (exit=7)
- ✅ No regression: phase259_p0_is_integer_vm PASS
- ✅ No regression: phase269_p0_pattern8_frag_vm PASS
- ✅ Stage1Cli unit tests PASS
- ✅ MIR uses CallTarget::Global, no const "StringUtils" as receiver

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-22 03:33:30 +09:00
tomoaki
5f22fe8fcd feat(pattern8): Phase 269 P1 - SSA fix and call_method type annotation 
Phase 269 P1.0: Pattern8 SSA correctness
- Add PHI node for loop variable `i` in pattern8_scan_bool_predicate.rs
- Ensure proper SSA form: i_current = phi [(preheader, i_init), (step, i_next)]
- Create loop_predicate_scan.rs for Pattern8 Frag emission
- Pre-allocate PHI destination before block generation
- Use insert_phi_at_head_spanned() for span synchronization

Phase 269 P1.1: call_method return type SSOT propagation
- Add callee_sig_name() helper in annotation.rs for function name formatting
- Annotate call_method return types in emit_unified_call_impl()
- Use module signature as SSOT for return type resolution (no hardcoding)
- Arity-aware function name: "BoxName.method/arity"

Fixes: is_integer() now correctly returns Bool instead of String
Test: Simple call_method test returns exit=7 (loop test has pre-existing bug)
Unit tests: All 1389 tests passing

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-22 01:41:19 +09:00
tomoaki
df715e909e feat(edgecfg): Phase 268-270 savepoint (if_form adoption + Pattern9 minimal loop SSOT) 2025-12-21 23:12:52 +09:00
tomoaki
be4de67601 fix(joinir): improve Pattern3 classification to exclude simple conditional assignment (Phase 264 P0) 
Problem:
- Pattern3 heuristic was too conservative: detect_if_in_body() returned
  true for ANY if statement, causing simple conditional assignments to be
  misclassified as Pattern3IfPhi
- Example: `if i == 0 then seg = "first" else seg = "other"` was routed
  to Pattern3, but Pattern3 only handles if-sum patterns like
  `sum = sum + (if x then 1 else 0)`
- This caused loops with conditional assignment to fail Pattern3 check
  and exhaust all routing paths

Solution (Conservative, Phase 264 P0):
- ast_feature_extractor.rs:
  - detect_if_else_phi_in_body(): Always return false
  - has_if = has_if_else_phi (don't use detect_if_in_body())
- loop_pattern_detection/mod.rs:
  - Add has_if_sum_signature() (returns false for P0)
  - has_if_else_phi = carrier_count > 1 && has_if_sum_signature(scope)

Effect:
- Simple conditional assignment loops now fall through to Pattern1 ✅
- Pattern3 misrouting prevented ✅

Results:
- Lib tests: 1368/1368 PASS (no regression)
- Minimal repro: phase264_p0_bundle_resolver_loop_min.hako PASS ✅
- Quick smoke: 45/46 (unchanged - complex BundleResolver loop needs P1)

Phase 264 P1 TODO:
- Implement accurate if-sum signature detection (AST/CFG analysis)
- Support complex nested loops in Pattern2 or new pattern

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-21 11:49:03 +09:00
tomoaki
e3dd1bbecb docs: Phase 263 P0 完了記録（Pattern2 fallback 修正） 
- 10-Now.md: Phase 263 P0 完了記録を追加（最上部に配置）
- phase-263/README.md: 詳細な実装記録・検証結果を作成
- 30-Backlog.md: Phase 263+ planned 項目を追加
  - Pattern2 LoopBodyLocal promotion（seg）
  - PromoteDecision API hardening（構造で迷子防止）
- phase263_p0_pattern2_seg_vm.sh: smoke test スクリプト改善

検証結果:
- cargo test --lib: 1368/1368 PASS ✅
- quick smoke: 45/46 PASS ✅ (大幅改善)
- Pattern2 が正しく abort することを確認
 2025-12-21 10:39:48 +09:00
tomoaki
9d71a3b1a4 test(phase263): add minimal repro for Pattern2 LoopBodyLocal seg issue 
- apps/tests/phase263_p0_pattern2_seg_min.hako: loop body で seg 代入
- tools/.../phase263_p0_pattern2_seg_vm.sh: VM smoke test
- 現状: Pattern2 rejection で FAIL（固定）
- 期待: 修正後に Pattern1 fallback で PASS
 2025-12-21 09:54:39 +09:00
tomoaki
1fe5be347d refactor(mir): phase260 p0.1 strangler hardening + smoke fixtures 2025-12-21 05:47:37 +09:00
tomoaki
4496b6243d feat(joinir): Phase 259 P0 complete - Pattern8 final fixes + docs (pre-block-params migration) 
Phase 259 P0: Pattern8 (BoolPredicateScan) 完全完了
is_integer/1 を Pattern8 で受理し、VM/LLVM EXE 両方で動作確認完了。
次の大工事（block-parameterized CFG への移行）前のマイルストーンとして記録。

## Key Fixes Applied

1. **skipped_entry_redirects** (instruction_rewriter.rs)
   - k_exit のスキップ時、entry block 参照を exit_block_id へリダイレクト
   - BasicBlockId not found エラーを根治

2. **loop_var_name** (pattern8_scan_bool_predicate.rs)
   - merge_entry_block 選択に使用（`Some(parts.loop_var.clone())`）
   - 未設定時の誤った entry block 選択を修正

3. **loop_invariants** (pattern8_scan_bool_predicate.rs)
   - PHI-free 不変量パラメータ（`[(me, me_host), (s, s_host)]`）
   - loop_var_name 設定時、BoundaryInjector が join_inputs Copy を全スキップするため必要
   - Pattern6 と同じ設計（header PHI で不変量を保持）

4. **expr_result** (pattern8_scan_bool_predicate.rs)
   - k_exit からの返り値を明示設定（`Some(join_exit_value)`）
   - Pattern7 style（推測ではなく明示）

5. **Smoke test scripts**
   - set +e パターンで exit code 7 をキャプチャ
   - LLVM EXE スクリプトにコメント追加（tools/build_llvm.sh 経由の明記）

## Contract Documentation

- join-explicit-cfg-construction.md に Pattern8 契約の具体例を追加
  - "pattern増でも推測増にしない" の実例として記録
  - loop_var_name / loop_invariants / expr_result / jump_args_layout の契約を明示
- 20-Decisions.md に正規化（Semantic/Plumbing）の分離方針を追記
- DOCS_LAYOUT.md に重要ドキュメントへの参照を追加

## Test Results

- ✅ VM smoke test: `[PASS] phase259_p0_is_integer_vm` (exit 7)
- ✅ LLVM EXE: tools/build_llvm.sh 経由で exit 7 確認
- ✅ --verify: PASS

## Next FAIL (Phase 260+)

- Function: `Main.main/0` in `apps/examples/json_lint/main.hako`
- Error: `[cf_loop/pattern2] Failed to extract break condition from loop body`
- Pattern: Nested loop（外側 loop + 内側 loop with break）

🚀 次の大工事: block-parameterized CFG への移行を開始します。

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-21 03:21:22 +09:00
tomoaki
a767f0f3a9 feat(joinir): Phase 259 P0 - Pattern8 BoolPredicateScan + Copy binding fix 
Pattern8 (Boolean Predicate Scan) implementation for is_integer/1:
- New pattern detection for `loop + if not predicate() { return false }`
- JoinIR lowerer with main/loop_step/k_exit structure
- Me receiver passed as param (by-name 禁止)

Key fixes:
1. expr_result = Some(join_exit_value) (Pattern7 style)
2. Tail-call: dst: None (no extra Ret instruction)
3. instruction_rewriter: Add `&& is_loop_header_with_phi` check
   - Pattern8 has no carriers → no PHIs → MUST generate Copy bindings
   - Without this, ValueId(103/104/105) were undefined

Status: Copy instructions now generated correctly, but exit block
creation issue remains (next step: Step A-C in指示書).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-21 02:40:07 +09:00
tomoaki
23531bf643 feat(joinir): Phase 258 P0 dynamic needle window scan 2025-12-21 00:29:50 +09:00
tomoaki
73ddc5f58d feat(joinir): Phase 257 P1.1/P1.2/P1.3 - Pattern6 SSOT + LoopHeaderPhi CFG fix 
P1.1: Pattern6 false positive fix (SSOT approach)
- can_lower() now calls extract_scan_with_init_parts() for SSOT
- index_of_string/2 no longer triggers false positive
- Graceful fall-through with Ok(None)

P1.2: LoopHeaderPhi CFG-based correction
- Step 0: Manual successor update from terminators
- CFG-based entry predecessor computation (header_preds - latch)
- Multi-entry-pred support (bb0 host + bb10 JoinIR main)
- Explicit host_entry_block addition (emit_jump runs after finalize)

P1.3: Smoke script validation
- phase254_p0_index_of_vm.sh: --verify + VM error detection
- phase257 smokes updated

Acceptance criteria (all PASS):
✅ phase254_p0_index_of_min.hako verify
✅ phase257_p0_last_index_of_min.hako verify
✅ ./tools/smokes/v2/run.sh --profile quick (no Pattern6 false positive)

Technical discovery:
- Host entry block (bb0) Jump set in Phase 6 (after finalize)
- instruction_rewriter bypasses set_terminator(), skips successor update

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-20 23:30:27 +09:00
tomoaki
edc7355937 refactor(joinir): unify boundary join_inputs SSOT (pattern4/6/7) 
Apply Phase 256.8 SSOT fix to Pattern4/6/7:
- Use join_module.entry.params.clone() instead of hardcoded ValueIds
- Add fail-fast validation for params count mismatch
- Remove ValueId(0), ValueId(PARAM_MIN + k) patterns
- Clean up unused PARAM_MIN imports

This prevents entry_param_mismatch errors structurally and maintains
consistency with Pattern2/3.

Changes:
- pattern4_with_continue.rs: Lines 442-476 (SSOT extraction + validation)
- pattern6_scan_with_init.rs: Lines 447-471 (SSOT extraction + validation)
- pattern7_split_scan.rs: Lines 495-526 (SSOT extraction + validation)

All patterns now use the same SSOT principle:
1. Extract entry function (priority: join_module.entry → fallback "main")
2. Use params as SSOT: join_inputs = entry_func.params.clone()
3. Build host_inputs in expected order (pattern-specific)
4. Fail-fast validation: join_inputs.len() == host_inputs.len()

Verification:
- cargo build --release: ✅ PASS (no PARAM_MIN warnings)
- Quick profile: ✅ First FAIL still json_lint_vm (baseline maintained)
- Pattern6 smoke: ✅ PASS (index_of test)
- Pattern7 smoke: Pre-existing phi pred mismatch (not introduced by SSOT)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-20 20:05:11 +09:00
tomoaki
4439d64da3 refactor(joinir): make jump_args layout explicit (Phase 256) 2025-12-20 13:04:24 +09:00
tomoaki
64f679354a fix(joinir): Phase 256 P1 - Carrier PHI wiring and parameter mapping (in progress) 
**Status**: Core carrier PHI issue partially resolved, debugging loop body

**Progress**:
✅ Task 1: split_scan_minimal.rs Carriers-First ordering (6 locations)
✅ Task 2: pattern7_split_scan.rs boundary configuration (host/join inputs, exit_bindings, expr_result)
✅ Result now flows from k_exit to post-loop code (RC issue resolved)
⚠️  Loop body instruction execution needs review

**Key Fixes**:
1. Fixed host_inputs/join_inputs to match main() params Carriers-First order
2. Added result to exit_bindings (CarrierRole::LoopState)
3. Added result back to loop_invariants for variable initialization
4. Added expr_result=join_exit_value_result for loop expression return
5. Fixed jump args to k_exit to include all 4 params [i, start, result, s]

**Current Issue**:
- Loop body type errors resolved (String vs Integer fixed)
- New issue: Loop body computations (sep_len) undefined in certain blocks
- Likely cause: JoinIR→MIR conversion of local variables needs review

**Next Steps**:
- Review JoinValueSpace allocation and ValueId mapping in conversion
- Verify loop_step instruction ordering and block structure
- May need to refactor bound computation or revisit split algorithm

🤖 Generated with Claude Code
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-20 01:24:04 +09:00
tomoaki
2d9c6ea3c6 feat(joinir): Phase 254-255 - Pattern 6 (ScanWithInit) + exit PHI DCE fix 
## Phase 254: Pattern 6 (ScanWithInit) Detection & JoinIR Lowering

Pattern 6 detects index_of/find/contains-style loops:
- Loop condition: i < x.length()
- Loop body: if with method call condition + early return
- Step: i = i + 1
- Post-loop: return not-found value (-1)

Key features:
- Minimal lowering: main/loop_step/k_exit functions
- substring hoisted to init-time BoxCall
- Two k_exit jumps (found: i, not found: -1)
- Tests: phase254_p0_index_of_min.hako

## Phase 255 P0: Multi-param Loop CarrierInfo

Implemented CarrierInfo architecture for Pattern 6's 3-variable loop (s, ch, i):
- i: LoopState (header PHI + exit PHI)
- s, ch: ConditionOnly (header PHI only)
- Alphabetical ordering for determinism
- All 3 PHI nodes created correctly
- Eliminates "undefined ValueId" errors

## Phase 255 P1: Exit PHI DCE Fix

Prevents exit PHI from being deleted by DCE:
- PostLoopEarlyReturnStepBox emits post-loop guard
- if (i != -1) { return i } forces exit PHI usage
- Proven pattern from Pattern 2 (balanced_depth_scan)
- VM/LLVM backends working

## Test Results

✅ pattern254_p0_index_of_vm.sh: PASS (exit code 1)
✅ pattern254_p0_index_of_llvm_exe.sh: PASS (mock)
✅ Quick profile: json_lint_vm PASS (progresses past index_of)
✅ Pattern 1-5: No regressions

## Files Added

- src/mir/builder/control_flow/joinir/patterns/pattern6_scan_with_init.rs
- src/mir/join_ir/lowering/scan_with_init_minimal.rs
- apps/tests/phase254_p0_index_of_min.hako
- docs/development/current/main/phases/phase-254/README.md
- docs/development/current/main/phases/phase-255/README.md

🧠 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-19 23:32:25 +09:00